diff --git a/src/main/java/org/cotato/csquiz/api/attendance/controller/AttendanceController.java b/src/main/java/org/cotato/csquiz/api/attendance/controller/AttendanceController.java
index 67e0f4b7..291514a7 100644
--- a/src/main/java/org/cotato/csquiz/api/attendance/controller/AttendanceController.java
+++ b/src/main/java/org/cotato/csquiz/api/attendance/controller/AttendanceController.java
@@ -55,7 +55,7 @@ public ResponseEntity<Void> updateAttendance(@RequestBody @Valid UpdateAttendanc
     @Operation(summary = "세션 시간 반환 API")
     @GetMapping("/info")
     public ResponseEntity<AttendanceTimeResponse> findAttendanceTimeInfo(@RequestParam("sessionId") Long sessionId) {
-        return ResponseEntity.status(HttpStatus.OK).body(attendanceService.findAttendanceTimeInfo(sessionId));
+        return ResponseEntity.status(HttpStatus.OK).body(attendanceService.getAttendanceDetailInfo(sessionId));
     }
 
     @Operation(summary = "회원 출결사항 기간 단위 조회 API")
diff --git a/src/main/java/org/cotato/csquiz/api/attendance/dto/AttendanceTimeResponse.java b/src/main/java/org/cotato/csquiz/api/attendance/dto/AttendanceTimeResponse.java
index 49488e2d..d7fe01ea 100644
--- a/src/main/java/org/cotato/csquiz/api/attendance/dto/AttendanceTimeResponse.java
+++ b/src/main/java/org/cotato/csquiz/api/attendance/dto/AttendanceTimeResponse.java
@@ -1,18 +1,22 @@
 package org.cotato.csquiz.api.attendance.dto;
 
-import java.time.LocalDateTime;
 import java.time.LocalTime;
+import org.cotato.csquiz.domain.attendance.embedded.Location;
+import org.cotato.csquiz.domain.attendance.entity.Attendance;
 
 public record AttendanceTimeResponse(
         Long sessionId,
         LocalTime attendanceDeadLine,
-        LocalTime lateDeadLine
+        LocalTime lateDeadLine,
+        Location location
 ) {
-    public static AttendanceTimeResponse of(Long sessionId, LocalDateTime attendanceDeadLine, LocalDateTime lateDeadLine) {
+
+    public static AttendanceTimeResponse from(Attendance attendance) {
         return new AttendanceTimeResponse(
-                sessionId,
-                attendanceDeadLine.toLocalTime(),
-                lateDeadLine.toLocalTime()
+                attendance.getSessionId(),
+                attendance.getAttendanceDeadLine().toLocalTime(),
+                attendance.getLateDeadLine().toLocalTime(),
+                attendance.getLocation()
         );
     }
 }
diff --git a/src/main/java/org/cotato/csquiz/domain/attendance/service/AttendanceService.java b/src/main/java/org/cotato/csquiz/domain/attendance/service/AttendanceService.java
index 5edd8b49..a22d790e 100644
--- a/src/main/java/org/cotato/csquiz/domain/attendance/service/AttendanceService.java
+++ b/src/main/java/org/cotato/csquiz/domain/attendance/service/AttendanceService.java
@@ -62,12 +62,10 @@ public AttendancesResponse findAttendancesByGenerationId(final Long generationId
     }
 
     @Transactional(readOnly = true)
-    public AttendanceTimeResponse findAttendanceTimeInfo(Long sessionId) {
-        Attendance findAttendance = attendanceRepository.findBySessionId(sessionId)
+    public AttendanceTimeResponse getAttendanceDetailInfo(final Long sessionId) {
+        Attendance attendance = attendanceRepository.findBySessionId(sessionId)
                 .orElseThrow(() -> new EntityNotFoundException("해당 출석을 찾을 수 없습니다"));
 
-        return AttendanceTimeResponse.of(sessionId,
-                findAttendance.getAttendanceDeadLine(),
-                findAttendance.getLateDeadLine());
+        return AttendanceTimeResponse.from(attendance);
     }
 }
diff --git a/src/main/java/org/cotato/csquiz/domain/generation/service/SessionService.java b/src/main/java/org/cotato/csquiz/domain/generation/service/SessionService.java
index e0aef929..be101392 100644
--- a/src/main/java/org/cotato/csquiz/domain/generation/service/SessionService.java
+++ b/src/main/java/org/cotato/csquiz/domain/generation/service/SessionService.java
@@ -129,7 +129,9 @@ public void updateSession(UpdateSessionRequest request) {
 
     public void updateSessionDate(Session session, LocalDate newDate, AttendanceDeadLineDto newDeadline) {
         Attendance findAttendance = attendanceRepository.findBySessionId(session.getId())
-                .orElseThrow(() -> new EntityNotFoundException("해당 세션의 출석이 존재하지 않습니다"));
+                .orElseGet(() -> Attendance.builder()
+                        .session(session)
+                        .build());
 
 
         // 날짜가 바뀌지 않았고, 출결 시간이 모두 동일한 경우
@@ -144,6 +146,7 @@ public void updateSessionDate(Session session, LocalDate newDate, AttendanceDead
         LocalDateTime newLateDeadline = LocalDateTime.of(newDate, newDeadline.lateDeadLine());
         findAttendance.updateDeadLine(newAttendanceDeadline, newLateDeadline);
 
+        attendanceRepository.save(findAttendance);
         attendanceRecordService.updateAttendanceStatus(findAttendance);
     }